/** * Get keywords from iTag 'population' property * * @param array $populationProperty */ private function getPopulationKeywords($populationProperty) { return array('id' => RestoUtil::getHash('other:population'), 'name' => 'Population', 'type' => 'other', 'count' => $populationProperty['count'], 'densityPerSquareKm' => $populationProperty['densityPerSquareKm']); }